CN209937484U

CN209937484U - Material pulling device for mold pressing rear end material pulling mechanism of LCG plastic mold

Info

Publication number: CN209937484U
Application number: CN201921403663.2U
Authority: CN
Inventors: 彭海平
Original assignee: Sichuan Rainbow Electronics Corp Ltd
Current assignee: Sichuan Rainbow Electronics Corp Ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-01-14
Anticipated expiration: 2029-08-27

Abstract

The utility model discloses a draw material device that is used for LCG plastic mould pressing rear end to draw material mechanism solves prior art and treats the processing station through the manpower with the LCG plastic area that has processed and pull out from mould pressing operating mode to make back a batch treat that processing station and mould pressing operating mode alignment error lead to the mould pressing wastrel greatly many, finally increase mould pressing manufacturing cost, and the problem that the human cost is high. The utility model discloses a support frame, pivot, thumb wheel, reducing gear box and servo motor. The poking wheel comprises a first clamping wheel, a second clamping wheel, a poking wheel and a shaft hole, and a plurality of poking teeth protruding out of the poking wheel are arranged on the poking wheel at equal intervals. The utility model discloses can be effectively to the accurate back drawing of the LCG plastic tape station that has processed, make back a batch wait to process the station and the accurate alignment of mould pressing operating mode to effectively reduce the wastrel, guarantee the yield of mould pressing, reduce the human cost simultaneously, with the manufacturing cost who reduces LCG plastic mould pressing on the whole.

Description

Material pulling device for mold pressing rear end material pulling mechanism of LCG plastic mold

Technical Field

The utility model relates to a draw material device that is used for LCG plastic mould pressing rear end to draw material mechanism.

Background

The LCG plastic is in a long strip shape, a plurality of processing stations are distributed on the LCG plastic at equal intervals, each processing station needs to be subjected to die pressing processing on the die pressing working condition, in the prior art, one end of the strip-shaped LCG plastic strip is directly placed on the die pressing working condition for die pressing processing by manual work, after the processing is finished, a worker moves the processed processing station backwards from the rear end of the die pressing working condition, and meanwhile, the adjacent processing stations to be processed are moved to the die pressing working condition, so that an assembly line type die pressing processing production line is formed. In the mold pressing process, each processing station on a batch of LCG plastic belts (the mold pressing condition generally can be 4 processing stations at one time, that is, each batch of processed processing stations is 4), a worker needs to pull the LCG plastic belts backward at the rear end of the mold pressing condition, so that the processed processing displacement is separated from the mold pressing condition and the adjacent processing displacement to be processed is shifted to the mold pressing condition. The labor load of workers is large, the station to be processed on the LCG plastic belt is aligned with the mould pressing working condition by the experience of the workers, so that the station to be processed is easily misaligned with the mould pressing working condition due to human errors, the quantity of defective products is large, raw materials are wasted, the cost of finished products is increased, the requirement on the workers is high, and the labor cost is increased.

Therefore, a material pulling device for the LCG plastic mold die pressing rear end material pulling mechanism is designed, the machined LCG plastic belt is pulled backwards accurately, the next to-be-machined stations are aligned with the die pressing working condition accurately, defective products are effectively reduced, the die pressing yield is guaranteed, the labor cost is reduced, the production cost of the LCG plastic mold die pressing is reduced on the whole, and the technical problem to be solved by technical personnel in the technical field is solved urgently.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the utility model provides a draw material device that is used for LCG plastic mould pressing rear end to draw material mechanism solves prior art and waits to process the station through the manpower with the LCG plastic tape that has processed and pull out from mould pressing operating mode department to it is many to make the alignment error of the station of waiting to process of back batch and mould pressing operating mode lead to the mould pressing wastrel greatly, finally increases mould pressing manufacturing cost, and the human cost is high problem.

In order to achieve the above object, the utility model adopts the following technical scheme:

the pulling device for the pulling mechanism at the mold pressing rear end of the LCG plastic mold comprises a pair of supporting frames fixed on the pulling mechanism, a rotating shaft rotationally mounted between the pair of supporting frames, a pair of disc-shaped shifting wheels fixedly mounted on the rotating shaft at intervals and capable of synchronously rotating along with the rotating shaft, a reduction gearbox connected with one end of the rotating shaft, and a servo motor connected with the reduction gearbox and used for driving the rotating shaft to rotate; the two shifting wheels are respectively clamped with clamping holes at two sides of the LCG plastic belt on the material pulling mechanism through the tops of the two shifting wheels so as to shift the LCG plastic belt to move when rotating along with the rotating shaft;

the thumb wheel comprises a first clamping wheel, a second clamping wheel and a thumb wheel which are disc-shaped and concentrically distributed, the centers of the first clamping wheel, the second clamping wheel and the poking wheel are all provided with shaft holes matched with the rotating shaft, the first clamping wheel, the second clamping wheel and the poking wheel are detachably sleeved on the rotating shaft through shaft holes, and the first clamping wheel, the second clamping wheel and the poking wheel can synchronously rotate with the rotating shaft, the poking wheel is positioned between the first clamping wheel and the second clamping wheel and is tightly attached to the first clamping wheel and the second clamping wheel, the diameters of the first clamping wheel and the second clamping wheel are the same, the diameter of the poking wheel is larger than that of the first clamping wheel, the circular arc periphery of the poking wheel is equidistantly provided with a plurality of poking teeth protruding out of the poking wheel, and the poking teeth are used for being clamped with the clamping holes on two sides of the LCG plastic belt.

Furthermore, the arc-shaped periphery of the poking wheel is equidistantly provided with poking tooth clamping grooves, the number of which is the same as that of the poking teeth, and each poking tooth clamping groove is internally clamped with one poking tooth.

Furthermore, the shifting teeth comprise head parts which are all clamped in the shifting tooth clamping grooves and tooth parts which are fixedly integrated with the head parts into a whole, and free ends of the tooth parts protrude out of the shifting tooth clamping grooves and are used for being clamped with clamping holes on two sides of the LCG plastic belt.

Further, the head with tooth portion all is cylindrically to the diameter of head cross section is greater than the diameter of tooth portion cross section, the diameter of tooth portion cross section with the thickness of toggling the driving wheel is the same, first pinch-off pulley with the outer equal circumference equidistance in department of following of second pinch-off pulley has been seted up a plurality of and has been stepped down the hole, the quantity of stepping down the hole on the first pinch-off pulley with the quantity of stepping down the hole on the second pinch-off pulley is the same and just right one by one, each the both sides of head correspond one respectively the hole of stepping down.

Furthermore, a first reinforcing wheel which is concentrically distributed with the first clamping wheel and is sleeved on the rotating shaft is arranged on the outer side of the first clamping wheel, a second reinforcing wheel which is concentrically distributed with the second clamping wheel and is sleeved on the rotating shaft is arranged on the outer side of the second clamping wheel, the centers of the first reinforcing wheel and the second reinforcing wheel are both provided with shaft holes which are sleeved on the rotating shaft, the first reinforcing wheel, the first clamping wheel, the poking wheel, the second clamping wheel and the second reinforcing wheel are sequentially distributed on the rotating shaft from outside to inside, the first reinforcing wheel, the first clamping wheel, the poking wheel, the second clamping wheel and the second reinforcing wheel are respectively provided with at least three bolt holes, the first reinforcing wheel, the first clamping wheel, the poking wheel, the second clamping wheel and the second reinforcing wheel are fastened through bolts penetrating through bolt holes.

Further, first stiffener wheel first pinch roller the thumb wheel second pinch roller with be equipped with first keyway in the shaft hole of second stiffener wheel, be equipped with in the pivot with first keyway matched with second keyway, first keyway with be equipped with the key in the second keyway, the thumb wheel passes through the key with pivot synchronous revolution.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model has the advantages of simple structure and scientific and reasonable design, convenient to use can effectively add the accurate backward drawing of station to the LCG plastic tape that has processed, makes the accurate alignment of the processing station of later batch and mould pressing operating mode to effectively reduce the wastrel, guarantee the yield of mould pressing, reduce the human cost simultaneously, with the manufacturing cost who reduces LCG plastic mould pressing on the whole.

The utility model is provided with a material drawing device on a material drawing mechanism, the material drawing device comprises a support frame, a rotating shaft, a shifting wheel, a reduction box and a servo motor, a pair of shifting wheels are arranged on the rotating shaft and can synchronously rotate along with the rotating shaft, the rotating shaft is arranged on the material drawing mechanism through the support frame, the rotating shaft can rotate relative to the support frame, the function can be realized through the existing bearing seat, the servo motor is connected with the rotating shaft through the reduction box and is the same as the driving rotating shaft to accurately rotate, the shifting wheel mainly comprises a first clamping wheel, a second clamping wheel and a shifting wheel, the circumference of the circular periphery of the shifting wheel is equidistantly provided with a plurality of shifting teeth matched with the clamping grooves at the outer edges of the two sides of the LCG plastic belt, the distance between the two adjacent shifting teeth is the same as the distance between the adjacent clamping grooves at the outer edges of the two sides of the LCG plastic belt, the free end of the tooth part at the, the poking wheel rotates synchronously along with the rotating shaft, the poking teeth also rotate synchronously, when the poking wheel rotates to the top, the poking wheel can be clamped with the clamping grooves on the LCG plastic belt, when the rotating is continued, the LCG plastic belt can be driven to move along the rear end of the die pressing working condition, along with the rotation, the poking teeth can be separated from the LCG plastic belt, the poking wheel continuously rotates, the poking teeth on the poking wheel sequentially rise to the top end and are clamped with the clamping grooves at the outer edges of the two sides of the LCG plastic belt so as to poke the LCG plastic belt to move, the servo motor can accurately control the rotation and the rotating speed of the rotating shaft, the moving distance and the moving speed of the LCG plastic belt can be accurately controlled, and the LCG plastic belt can be guaranteed to stably move. The utility model discloses an above-mentioned setting, can accurate pulling LCG plastic area remove towards mould pressing operating mode rear end, make later stage LCG plastic area treat the processing station and the accurate counterpoint of mould pressing operating mode, can effectively reduce the mould pressing wastrel, improve the yield, can also effectively reduce simultaneously and require workman's technical ability, reduce mould pressing manufacturing cost and human cost.

The first reinforcing wheel, the first clamping wheel, the poking wheel, the second clamping wheel and the second reinforcing wheel in the poking wheel are sequentially sleeved on the rotating shaft from outside to inside, the five wheels are fastened through at least three bolts, the structure is simple and firm, the smooth operation of the poking wheel is ensured, the five wheels are bonded with the rotating shaft through keys, the synchronous rotation of the poking wheel and the rotating shaft is ensured, the diameter of the poking wheel is maximum, the poking wheel can be positioned at the top of the whole poking wheel when moving to the top, the poking teeth are conveniently clamped with the LCG plastic belt, the poking wheel is provided with a poking tooth clamping groove, the poking teeth are clamped in the poking tooth clamping groove, the poking teeth are positioned in the poking tooth clamping groove through the first clamping wheel and the second clamping wheel, when the poking teeth need to be replaced, the poking teeth can be replaced easily by only loosening the bolts for fastening the first clamping wheel, the poking teeth part and the second clamping wheel, the poking teeth are very, first pinch roller and second pinch roller are equipped with the hole of stepping down shifting the tooth head, so can make the more firm installation of dialling the tooth clamp the inslot, prevent simultaneously to dial the tooth and clamp the inslot from dialling the tooth and fall out when moving to the thumb wheel bottom, whole structure is firm simple, can effectively accurately drive the operation of LCG plastic tape, and its practicality is strong.

Drawings

Fig. 1 is the structure schematic diagram of the material pulling device of the utility model.

Fig. 2 is a schematic perspective view of the material pulling device of the present invention.

Fig. 3 is a schematic view of the structure of the thumb wheel of the present invention.

Fig. 4 is a schematic view of the structure of the shifting teeth of the present invention.

Fig. 5 is a schematic view of the structure of the rotating shaft of the present invention.

Fig. 6 is the schematic view of the structure of the toggle wheel of the present invention.

Fig. 7 is the structure schematic diagram of the material pulling mechanism of the utility model.

Fig. 8 is another schematic view of the structure of the material pulling mechanism of the present invention.

Fig. 9 is the schematic diagram of the utility model after the material pulling mechanism removes the material pulling guide plate.

Wherein, the names corresponding to the reference numbers are:

1-supporting frame, 2-rotating shaft, 3-shifting wheel, 4-reduction gearbox, 5-servo motor, 6-pulling plate, 7-pulling slot, 8-pulling guide plate, 9-pulling guide groove, 10-pulling support, 11-pulling roller, 12-pulling plate mounting seat, 13-baffle, 14-long waist-shaped through hole, 31-first clamping wheel, 32-second clamping wheel, 33-shifting wheel, 34-shifting tooth, 35-abdicating hole, 36-first reinforcing wheel, 37-second reinforcing wheel, 38-first key groove, 39-second key groove, 310-key, 331-shifting tooth clamping groove, 341-head and 342-tooth part.

Detailed Description

The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.

As shown in FIGS. 1-6, the utility model provides a draw material device that is used for LCG plastic mould pressing rear end to draw material mechanism, simple structure, design scientific and reasonable, convenient to use can be effectively to the accurate back-pull of the LCG plastic area processing station that has processed, makes the accurate alignment of back batch processing station and mould pressing operating mode to effectively reduce the wastrel, guarantee the yield of mould pressing processing, reduce the human cost simultaneously, in order to reduce the manufacturing cost of LCG plastic mould pressing processing on the whole. The utility model comprises a pair of supporting frames 1 fixed on a material pulling mechanism, a rotating shaft 2 rotatably arranged between the pair of supporting frames 1, a pair of shifting wheels 3 which are fixedly arranged on the rotating shaft 2 at intervals, can synchronously rotate along with the rotating shaft 2 and are disc-shaped, a reduction box 4 connected with one end of the rotating shaft 2, and a servo motor 5 connected with the reduction box 4 and used for driving the rotating shaft 2 to rotate; the supporting frames 1 are distributed at two ends of the rotating shaft 2 relatively, and the two shifting wheels 3 are respectively clamped with clamping holes in two sides of the LCG plastic belt on the material pulling mechanism through the tops of the two shifting wheels so as to shift the LCG plastic belt to move along with the rotation of the rotating shaft 2.

The utility model discloses a thumb wheel 3 is including all being discoid and concentric first pinch roller 31, second pinch roller 32 and the thumb wheel 33 that distributes, first pinch roller 31, second pinch roller 32 with the central authorities of thumb wheel 33 all seted up with pivot 2 matched with shaft hole, first pinch roller 31, second pinch roller 32 with thumb wheel 33 all can dismantle the suit through its shaft hole in pivot 2, and first pinch roller 31, second pinch roller 32 with thumb wheel 33 all can with pivot 2 synchronous revolution, thumb wheel 33 is located between first pinch roller 31 and the second pinch roller 32 and the fastening laminating of three, first pinch roller 31 with the diameter of second pinch roller 32 is the same, the diameter of thumb wheel 33 is greater than the diameter of first pinch roller 31, the equidistance is installed in the circular periphery of thumb wheel 33 a plurality of protrusion in the thumb tooth 34 of thumb wheel 33, the shifting teeth 34 are used for being clamped with the clamping holes on the two sides of the LCG plastic belt.

Dial round the convex periphery of driving wheel 33 equidistant set up quantity and dial the same tooth of dialling of tooth 34 quantity and clamp groove 331, and each it clamps all to have clamped one in the groove 331 to dial the tooth and dials tooth 34. The shifting teeth 34 comprise a head 341 which is clamped in the shifting tooth clamping groove 331 and a tooth portion 342 which is fixed with the head 341 into a whole, and the free end of the tooth portion 342 protrudes out of the shifting tooth clamping groove 331 and is used for being clamped with clamping holes at two sides of the LCG plastic belt. The head 341 with tooth portion 342 all is cylindrically to the diameter of head 341 cross section is greater than the diameter of tooth portion cross section, the diameter of tooth portion 342 cross section with the thickness of thumb wheel 33 is the same, first pinch roller 31 with the equal circumference equidistance in the outer edge department of second pinch roller 32 has seted up a plurality of hole 35 of stepping down, the quantity of the hole 35 of stepping down on the first pinch roller 31 with the hole 35 of stepping down on the second pinch roller 32 is the same and just right one by one, each the both sides of head 341 correspond one respectively hole 35 of stepping down.

The outside of first pinch roller 31 is equipped with rather than concentric distribution and cover and establish first stiffener 36 in the pivot 2, the outside of second pinch roller 32 is equipped with rather than concentric distribution and cover and establish pivot 2 epaxial second stiffener 37, first stiffener 36 with the central authorities of second stiffener 37 have all been offered and have been used for cup jointing pivot 2 epaxial shaft hole, first stiffener 36 first pinch roller 31 toggle wheel 33 second pinch roller 32 with second stiffener 37 is in from outer to inner distributes in proper order in the pivot 2, first stiffener 36 first pinch roller 31 toggle wheel 33 second pinch roller 32 with at least three bolt hole has been seted up respectively on the second stiffener 37, first stiffener 36 first pinch roller 31 toggle wheel 33, The second clamping wheel 32 and the second reinforcing wheel 37 are fastened by bolts inserted into bolt holes. First stiffener wheel 36 first pinch roller 31 thumb wheel 33 second pinch roller 32 with be equipped with first keyway 38 in the shaft hole of second stiffener wheel 37, be equipped with on the pivot 2 with first keyway 38 matched with second keyway 39, first keyway 38 with be equipped with key 310 in the second keyway 39, thumb wheel 3 passes through key 310 with pivot 2 synchronous revolution.

It is worth noting that the utility model discloses servo motor 5 is connected with external center control system, receives center control system regulation control, and its is connected with center control system and control all belong to prior art, consequently, is not repeated here about servo motor 5 and external center control system's connection and control principle.

As shown in fig. 7-9, for the convenience of technical personnel in the field to be right the utility model discloses technical scheme's understanding, it includes horizontal rigid coupling in the pulling plate 6 of mould rear end to draw material mechanism, draw the material device to locate pulling plate 6's bottom surface is used for pulling out the LCG plastic tape that mould pressing operating mode department processed from mould pressing operating mode department to the rear end level. The top surface of the material pulling plate 6 is longitudinally provided with two material pulling slots 7 which are parallel to each other, the material pulling slots 7 are symmetrically distributed by taking the longitudinal center line of the top surface of the material pulling plate 6 as a symmetrical line, each material pulling slot 7 is internally inserted with a material pulling guide plate 8, a material pulling guide groove 9 is formed between the bottom surface of the material pulling guide plate 8 and the top surface of the material pulling plate 6, and the distance between the pair of material pulling guide grooves 9 is adapted to the width of the LCG plastic belt so as to limit and guide the LCG plastic belt. The rear end of the material pulling plate 6 is provided with a material pulling protection device, the material pulling protection device comprises a pair of material pulling supports 10 fixedly connected to two sides of the rear end of the material pulling plate 6, and a material pulling roller 11 connected between the pair of material pulling supports 10 through a pin shaft, and the material pulling roller 11 is located at the rear ends of the pair of material pulling supports 10. The front end of the bottom surface of the material pulling plate 6 is vertically fixed with a plate-shaped material pulling plate mounting seat 12, the material pulling plate 6 is fixed with the rear end of a corresponding die through the material pulling plate mounting seat 12, and a baffle 13 is arranged on the outer side of the material pulling plate mounting seat 12. Be equipped with long waist shape through-hole 14 on the drawing board 6, the utility model discloses the setting tooth free end on a pair of thumb wheel is located the top surface of drawing board 6 through corresponding long waist shape through-hole respectively to the setting tooth free end is located the LCG plastic tape looks joint on the drawing board 6 top surface with the level, with this pulling LCG plastic tape removal.

The material pulling mechanism is installed at the rear end of the mold molding working condition through a material pulling plate installation seat 12, the material pulling plate is horizontal and is as high as the mold molding working condition, the material pulling plate clamps the material pulling guide plate through a material pulling slot on the material pulling plate, a material pulling guide groove is formed between the material pulling guide plate and the material pulling plate, the processed LCG plastic belt is located in the pair of material pulling guide grooves, the distance between the pair of material pulling guide grooves is matched with the width of the processed LCG plastic belt, the LCG plastic belt can be well guided, and the processed LCG plastic belt is always in a horizontal state in the material pulling guide grooves and is aligned with the mold molding working condition.

The above embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the protection scope of the present invention, but all the insubstantial changes or modifications made in the spirit and the idea of the main design of the present invention, the technical problems solved by the embodiment are still consistent with the present invention, and all should be included in the protection scope of the present invention.

Claims

1. A draw material device that is used for LCG plastic mold mould pressing rear end to draw material mechanism, its characterized in that: the material pulling device comprises a pair of supporting frames (1) fixed on a material pulling mechanism, a rotating shaft (2) rotatably arranged between the pair of supporting frames (1), a pair of disc-shaped shifting wheels (3) which are fixedly arranged on the rotating shaft (2) at intervals and can synchronously rotate along with the rotating shaft (2), a reduction gearbox (4) connected with one end of the rotating shaft (2), and a servo motor (5) connected with the reduction gearbox (4) and used for driving the rotating shaft (2) to rotate; the pair of supporting frames (1) are distributed at two ends of the rotating shaft (2) relatively, and the two shifting wheels (3) are respectively clamped with clamping holes at two sides of the LCG plastic belt on the material pulling mechanism through the tops of the two shifting wheels so as to shift the LCG plastic belt to move when rotating along with the rotating shaft (2);

the thumb wheel (3) comprises a first clamping wheel (31), a second clamping wheel (32) and a thumb wheel (33) which are disc-shaped and concentrically distributed, shaft holes matched with the rotating shaft (2) are formed in the centers of the first clamping wheel (31), the second clamping wheel (32) and the thumb wheel (33), the first clamping wheel (31), the second clamping wheel (32) and the thumb wheel (33) are detachably sleeved on the rotating shaft (2) through the shaft holes of the first clamping wheel, the second clamping wheel (32) and the thumb wheel (33) can synchronously rotate with the rotating shaft (2), the thumb wheel (33) is located between the first clamping wheel (31) and the second clamping wheel (32) and tightly fits with the first clamping wheel, the second clamping wheel and the thumb wheel, the first clamping wheel (31) and the second clamping wheel (32) have the same diameter, the diameter of stirring wheel (33) is greater than the diameter of first pinch roller (31), a plurality of protrusion in stir tooth (34) of driving wheel (33) on the circular arc periphery equidistance of driving wheel (33) is installed, stir tooth (34) and be used for with the jack joint of LCG plastic tape both sides.

2. The pulling device for the LCG plastic mold molding rear-end pulling mechanism according to claim 1, wherein: the circular arc-shaped periphery of the poking wheel (33) is equidistantly provided with poking tooth clamping grooves (331) with the same number as the poking teeth (34), and each poking tooth clamping groove (331) is internally clamped with one poking tooth (34).

3. The pulling device for the LCG plastic mold molding rear-end pulling mechanism according to claim 2, wherein: the shifting teeth (34) comprise head parts (341) which are clamped in the shifting tooth clamping grooves (331) and tooth parts (342) which are fixedly integrated with the head parts (341), and the free ends of the tooth parts (342) protrude out of the shifting tooth clamping grooves (331) and are used for being clamped with clamping holes on two sides of the LCG plastic belt.

4. The pulling device for the LCG plastic mold molding rear-end pulling mechanism according to claim 3, wherein: head (341) with tooth portion (342) all are cylindrically to the diameter of head (341) cross section is greater than the diameter of tooth portion cross section, the diameter of tooth portion (342) cross section with the thickness of thumb wheel (33) is the same, first pinch roller (31) with a plurality of hole (35) of stepping down has been seted up along the equal circumference equidistance in the department of the outer edge of second pinch roller (32), the quantity of hole (35) of stepping down on first pinch roller (31) with the quantity of hole (35) of stepping down on second pinch roller (32) is the same and just right one by one, each the both sides of head (341) correspond one respectively hole (35) of stepping down.

5. The pulling device for the LCG plastic mold molding rear-end pulling mechanism according to claim 4, wherein: the outer side of the first clamping wheel (31) is provided with a first reinforcing wheel (36) which is concentrically distributed with the first clamping wheel and is sleeved on the rotating shaft (2), the outer side of the second clamping wheel (32) is provided with a second reinforcing wheel (37) which is concentrically distributed with the second clamping wheel and is sleeved on the rotating shaft (2), the centers of the first reinforcing wheel (36) and the second reinforcing wheel (37) are respectively provided with a shaft hole which is sleeved on the rotating shaft (2), the first reinforcing wheel (36), the first clamping wheel (31), the poking wheel (33), the second clamping wheel (32) and the second reinforcing wheel (37) are sequentially distributed on the rotating shaft (2) from outside to inside, the first reinforcing wheel (36), the first clamping wheel (31), the poking wheel (33), the second clamping wheel (32) and the second reinforcing wheel (37) are respectively provided with at least three bolt holes, the first reinforcing wheel (36), the first clamping wheel (31), the poking wheel (33), the second clamping wheel (32) and the second reinforcing wheel (37) are fastened through bolts penetrating in bolt holes.

6. The pulling device for the LCG plastic mold molding rear-end pulling mechanism according to claim 5, wherein: first stiffener wheel (36) first pinch roller (31) thumb wheel (33) second pinch roller (32) with be equipped with first keyway (38) in the shaft hole of second stiffener wheel (37), be equipped with on pivot (2) with first keyway (38) matched with second keyway (39), first keyway (38) with be equipped with key (310) in second keyway (39), thumb wheel (3) are passed through key (310) with pivot (2) synchronous revolution.